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   "source": [
    "## 知识概念"
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    ">1.一切都是io:软工到产品的一般化知识  \n",
    ">2.语音识别：speech recognition   \n",
    ">3.自动语音识别：automatic speech recognition，简称ASR    \n",
    "  >>A.其目标是以电脑自动将人类的语音内容转换为相应的文字。与说话的人识别及说话人确认不同，后者尝试识别或确认发出语音的说话人而非其中所包含的词汇内容。\n",
    "  \n",
    ">4.语音合成：text to speech，简称TTS  \n",
    "   >>A.将文字转化为语音的一种技术，类似于人类的嘴巴，通过不同的音色说出想表达的内容。在语音合成技术中，主要分为语音分析部分和声学系统部分，也称为前端部分和后端部分，语言分析部分主要是根据输入的文字信息进行分析，生成对应的语言学规格书，想好该怎么读；声学系统部分主要是根据语音分析部分提供的语言学规格书，生成对应的音频，实现发声的功能。"
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